Home / 8,242.32-12,363.90-2,399.38

Finding the Fourth Proportional to 8,242.32, 12,363.90 and 2,399.38

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Solution

The fourth proportional to 8,242.32, 12,363.90 and 2,399.38 is: 3,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.32 : 12,363.90 = 2,399.38 : x
  2. Step 2: Convert to fraction form
    8,242.32/12,363.90 = 2,399.38/x
  3. Step 3: Cross multiply
    8,242.32x = 12,363.90 × 2,399.38
  4. Step 4: Simplify right side
    8,242.32x = 29,665,694.38
  5. Step 5: Solve for x
    x = 29,665,694.38/8,242.32
  6. Step 6: Final answer
    x = 3,599.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.